Vacuum cleaner



FIG. 1. is a perspective view thereof;

FIG. 2. is a front elevational view thereof;

FIG. 3. is a rear elevational view thereof;

FIG. 4. is a left side elevational view thereof;

FIG. 5. is a right side elevational view thereof;

FIG. 6. is a top plan view thereof;

FIG. 7. is a bottom plan view thereof; and,

FIG. 8. is another perspective view thereof.

The details shown in broken lines from no part of the claimed design. 

CLAIM The ornamental design for a vacuum cleaner, as shown and described. 